ParagonIE_Sodium_Core_Ristretto255::scalarmult_ristretto255_base( string $n ): string

696    public static function scalarmult_ristretto255_base($n)697    {698        $t = self::stringToIntArray($n);699        $t[31] &= 0x7f;700        $Q = self::ge_scalarmult_base(self::intArrayToString($t));701        $q = self::ristretto255_p3_tobytes($Q);702        if (ParagonIE_Sodium_Compat::is_zero($q)) {703            throw new SodiumException('An unknown error has occurred');704        }705        return $q;706    }